Academic literature on the topic 'Rhizosphere deficiency'

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Journal articles on the topic "Rhizosphere deficiency"

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Ye, Yu, Xufang Zhan, Kai Wang, et al. "A Symbiotic Fungus Sistotrema Benefits Blueberry Rejuvenation and Abiotic Stress Tolerance." Journal of Fungi 9, no. 7 (2023): 779. http://dx.doi.org/10.3390/jof9070779.

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Blueberry (Vaccinium spp.) rhizosphere microorganisms can significantly increase the absorption area and improve the efficiency of rhizospheric nutrient uptake. However, there has been little research on blueberry rhizosphere microorganisms, especially those that can complement root function deficiency. In this study, we analyzed the rhizosphere fungi of ‘O’Neal,’ ‘Sharpblue,’ and ‘Premier’ blueberry cultivars and found that ‘Premier’ blueberries showed strong growth potential and relatively high root regulation ability. The dominant symbiotic fungus Sistotrema was correlated with the strong g
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Liu, Haitao, Philip J. White, and Chunjian Li. "Biomass partitioning and rhizosphere responses of maize and faba bean to phosphorus deficiency." Crop and Pasture Science 67, no. 8 (2016): 847. http://dx.doi.org/10.1071/cp16015.

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Maize (Zea mays L.) and faba bean (Vicia faba L.) have contrasting responses to low phosphorus (P) supply. The aim of this work was to characterise these responses with respect to the partitioning of biomass between shoot and root and biochemical modification of the rhizosphere. Maize and faba bean were grown in rhizoboxes in soil with a low P (10 mg kg–1) or high P (150 mg kg–1) supply. Solutions were collected from rhizosphere and bulk soil by suction, using micro-rhizons in situ. The pH and water-soluble P (Pi) were determined on the solutions collected by using micro-rhizons. Olsen P, soil
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Liu, Wuyu, Guoqing Wang, Shiming Wen, et al. "Microbiome-Mediated Mechanisms Regulating Adaptability to Iron Deficiency in the Intercropping System of Soybean and Maize." Agronomy 15, no. 2 (2025): 286. https://doi.org/10.3390/agronomy15020286.

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Iron (Fe) deficiency is a pervasive agricultural concern on a global scale. Intercropping plays a pivotal role in activating soil nutrient cycling and crop nutrient uptake and utilization. This study integrates plant physiology, soil physicochemical determination, high-throughput sequencing, and metabolomics techniques to conduct pot experiments using field-collected soils with soybean and maize plants. This study aims to investigate the mechanisms through which microorganisms in a soybean–maize intercropping system regulate Fe deficiency adaptation. The results revealed that intercropping enh
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Imler, Christopher S., Camila I. Arzola, and Gerardo H. Nunez. "Ammonium Uptake Is the Main Driver of Rhizosphere pH in Southern Highbush Blueberry." HortScience 54, no. 5 (2019): 955–59. http://dx.doi.org/10.21273/hortsci13764-18.

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Unlike most horticultural crops, blueberry (Vaccinium spp. section cyanococcus) prefers low-pH (4.2–5.5) soils. Other plants can acidify their rhizosphere to create a hospitable microenvironment. Southern highbush blueberry (SHB; Vaccinium corymbosum interspecific hybrids) plants do not acidify their rhizosphere in response to Fe deficiency, but other factors that affect rhizosphere pH have not been elucidated. We report results from two hydroponic experiments exploring N uptake effects on the rhizosphere pH of ‘Emerald’ SHB. Ammonium (NH4+) uptake led to rhizosphere acidification, whereas nit
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Molnár, Zoltán, Wogene Solomon, Lamnganbi Mutum, and Tibor Janda. "Understanding the Mechanisms of Fe Deficiency in the Rhizosphere to Promote Plant Resilience." Plants 12, no. 10 (2023): 1945. http://dx.doi.org/10.3390/plants12101945.

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One of the most significant constraints on agricultural productivity is the low availability of iron (Fe) in soil, which is directly related to biological, physical, and chemical activities in the rhizosphere. The rhizosphere has a high iron requirement due to plant absorption and microorganism density. Plant roots and microbes in the rhizosphere play a significant role in promoting plant iron (Fe) uptake, which impacts plant development and physiology by influencing nutritional, biochemical, and soil components. The concentration of iron accessible to these live organisms in most cultivated s
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Zhang, Guifen, Wei Liu, Yi Feng, et al. "Ethylene Response Factors MbERF4 and MbERF72 Suppress Iron Uptake in Woody Apple Plants by Modulating Rhizosphere pH." Plant and Cell Physiology 61, no. 4 (2019): 699–711. http://dx.doi.org/10.1093/pcp/pcz234.

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Abstract Iron (Fe) deficiency limits the yield of fruit trees. When subjected to Fe deficiency, H+ secretion increases in the rhizosphere of dicotyledonous plants and pH decreases. This leads to the acidification of the soil and promotes Fe3+ to Fe2+ conversion, which plants can better uptake. This study investigated the relationship between two inhibitory transcription factors (ethylene response factors MbERF4 and MbERF72) and the H+-ATPase gene MbHA2. Two species of apple woody plants were studied: the Fe-inefficient Malus baccata and the Fe-efficient Malus xiaojinensis. Yeast one-hybrid and
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Golestanifard, Alireza, Markus Puschenreiter, Amal Aryan, and Walter Wenzel. "Phosphorus depletion controls Cu and Zn biogeochemistry in canola and corn rhizosphere on a calcareous soil." Plant, Soil and Environment 67, No. 8 (2021): 443–52. http://dx.doi.org/10.17221/122/2021-pse.

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Phosphorus (P) deficiency may trigger rhizodeposition, including protons and organic compounds, with possible effects on metal solubility and speciation. To explore the relevance of this process, we investigated biogeochemical changes in the rhizosphere of P-deficient canola (Brassica napus L.) and corn (Zea mays L.) cultivars grown in a pot experiment on calcareous soil. Depletion of total soluble (0.005 mol/L Ca(NO3)2-extractable) P in the rhizosphere varied with crop species and cultivar but was generally strong and negatively correlated with dissolved organic carbon (DOC) in canola (R2 = 0
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Baccari, Basma, and Abdelmajid Krouma. "Rhizosphere Acidification Determines Phosphorus Availability in Calcareous Soil and Influences Faba Bean (Vicia faba) Tolerance to P Deficiency." Sustainability 15, no. 7 (2023): 6203. http://dx.doi.org/10.3390/su15076203.

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Calcareous soils are known for their alkaline pH-promoting insoluble forms of certain nutrients, including phosphorus (P). Rhizosphere acidification is one of the main physiological mechanisms of phosphorus mobilization by plants. However, specific and genotypic differences in response to P deficiency are often observed, giving some genotypes particular tolerance abilities. This genetic potential gives us a new opportunity to colonize unused lands, improve yield in problematic soils, and install sustainable agrosystems. To this end, a potted experiment was conducted on three faba bean genotype
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Montejano-Ramírez, Vicente, and Eduardo Valencia-Cantero. "Cross-Talk between Iron Deficiency Response and Defense Establishment in Plants." International Journal of Molecular Sciences 24, no. 7 (2023): 6236. http://dx.doi.org/10.3390/ijms24076236.

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Plants are at risk of attack by various pathogenic organisms. During pathogenesis, microorganisms produce molecules with conserved structures that are recognized by plants that then initiate a defense response. Plants also experience iron deficiency. To address problems caused by iron deficiency, plants use two strategies focused on iron absorption from the rhizosphere. Strategy I is based on rhizosphere acidification and iron reduction, whereas Strategy II is based on iron chelation. Pathogenic defense and iron uptake are not isolated phenomena: the antimicrobial phenols are produced by the p
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Albano, Joseph P., and William B. Miller. "Iron Deficiency Stress Influences Physiology of Iron Acquisition in Marigold (Tagetes erecta L.)." Journal of the American Society for Horticultural Science 121, no. 3 (1996): 438–41. http://dx.doi.org/10.21273/jashs.121.3.438.

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Excised roots of `First Lady' marigold (Tagetes erecta L.) grown in an aerated 0 Fe nutrient solution had Fe(III)-DTPA reductase activity 14-fold greater, and an enhanced ability to acidify the rhizosphere than plants grown in a solution containing 0.018 mm (1 ppm) Fe-DTPA. Reductase activity and rhizosphere acidification of plants grown in 0.018 and 0.09 mm Fe-DTPA were similar. Manganese concentration in leaves of plants grown in the 0 Fe treatment was 2-fold greater than in leaves of plants grown in the 0.018 mm Fe-DTPA treatment. These results indicated that `First Lady' marigold is an Fe-
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Dissertations / Theses on the topic "Rhizosphere deficiency"

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Xiao, Hua. "Exploring candidate genes and rhizosphere microbiome in relation to iron cycling in Andean potatoes." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/77917.

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Fe biofortification of potato is a promising strategy to prevent Fe deficiency worldwide either through traditional breeding or biotechnological approaches. These approaches require the identification of candidate genes to uptake, transport and store Fe in potato tubers. We employed multiple approaches including SNP genotyping, QTL analysis, identifying genes orthologous to Arabidopsis ferrome, yeast complementation assay and genetic transformation to avoid the limitation from a single approach. We revealed several candidate genes potentially associated with potato plant Fe acquisition, PGSC00
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CATALDI, MARIA GRAZIA PIA. "Improvement of nitrogen and phosphorus use efficiency in wheat by application of Plant Growth Promoting Bacteria as bio-fertilizers." Doctoral thesis, Università degli Studi di Foggia, 2019. http://hdl.handle.net/11369/382360.

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Per fronteggiare l'aumento della popolazione mondiale, il depauperamento delle risorse naturali e l'inquinamento ambientale, sarà necessario incrementare la produzione alimentare, senza tuttavia aumentare l'impatto ambientale associato alle attività agricole. L’intensificazione sostenibile della produzione agricola rappresenta un obiettivo arduo da realizzare soprattutto in regioni aride e semi-aride come le regioni del bacino del Mediterraneo particolarmente vulnerabili ai cambiamenti climatici. Tale obiettivo può essere raggiunto attraverso pratiche agricole sostenibili finalizzate alla ridu
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Tchuisseu, Tchakounte Gylaine Vanissa. "Assessing the role of native plant growth-promoting rhizobacteria (PGPR) isolated from Cameroon soil as bio-inoculant in improving plant growth." Doctoral thesis, Humboldt-Universität zu Berlin, 2021. http://dx.doi.org/10.18452/22323.

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Der Mangel an Nährstoffen im Boden, hauptsächlich an Phosphor (P) und Stickstoff (N), verbunden mit einem hohen Salzgehalt und der generellen Verarmung landwirtschaftlicher Böden , sind ein ernstes Problem für die landwirtschaftliche Produktion weltweit. Daher besteht ein dringender Bedarf an Forschung und Entwicklung geeigneter landwirtschaftlicher Praktiken, um ungünstige Bodenbedingungen zu verringern und wenn möglich die Fruchtbarkeit von Kulturland wiederherzustellen. Die Verwendung von Rhizobakterien, die das Pflanzenwachstum (PGPR) fördern, kann sich bei der Entwicklung von Strategien z
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Aslan, Attar Hesham. "Interactions between atmospheric nitrogen fixation and bioavailability of phosphorus in common bean (Phaseolus vulgaris L.) in some phosphorus-deficient soils of the Mediterranean basin." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20073.

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La déficience des sols en éléments minéraux, particulièrement le phosphore (P) est une limitation majeure pour la croissance et le développement des légumineuses fixatrices d’azote. L’application des fertilisants phosphatés est une pratique traditionnelles pour satisfaire les besoins des plantes en P. Ainsi, pour tester l’efficacité d'utilisation du P pour la fixation symbiotique de l’azote (FSN) sous déficience en P, plusieurs lignées recombinantes (RILs) de haricot contrastantes dans leurs tolérance au déficit en P ont été utilisées. L’objectif principal de cette étude est d’évaluer l’aptitu
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Books on the topic "Rhizosphere deficiency"

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Schjørring, Jan K. Planters proton-balance: Indflydelsen af ionoptagelse, kvælstofassimilation og fosformangel på netto-fluxen af protoner mellem rødder og rodmedium, pH i rhizosfæren og udnyttelsen af jord som fosforkilde = Proton balance of plants : influence of ion uptake, nitrogen assimilation, and phosphorus deficiency on the net flux of protons between roots and root medium, rhizosphere pH, and acquisition of phosphorus from soil. Afdelingen for planternes ernæring, den Kgl. Veterinær- og landbohøjskole, 1985.

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Book chapters on the topic "Rhizosphere deficiency"

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Veneklaas, Erik J., Jason Stevens, Gregory R. Cawthray, Stephen Turner, Alasdair M. Grigg, and Hans Lambers. "Chickpea and white lupin rhizosphere carboxylates vary with soil properties and enhance phosphorus uptake." In Structure and Functioning of Cluster Roots and Plant Responses to Phosphate Deficiency. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0243-1_15.

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Hinsinger, Philippe, Claude Plassard, Caixian Tang, and Benoît Jaillard. "Origins of root-mediated pH changes in the rhizosphere and their responses to environmental constraints: A review." In Structure and Functioning of Cluster Roots and Plant Responses to Phosphate Deficiency. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0243-1_4.

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Rengel, Z. "Root exudation and microflora populations in rhizosphere of crop genotypes differing in tolerance to micronutrient deficiency." In Plant Nutrition for Sustainable Food Production and Environment. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0047-9_66.

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Àlvarez-Fernàndez, Ana, Javier Abadía, and Anunciación Abadía. "Iron Deficiency, Fruit Yield and Fruit Quality." In Iron Nutrition in Plants and Rhizospheric Microorganisms. Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-4743-6_4.

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Araujo, R. S., G. A. Beattie, and J. Handelsman. "Extracellular polysaccharide-deficient mutants of Rhizobium strain CIAT899 induce chlorosis in beans." In The Rhizosphere and Plant Growth. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3336-4_34.

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Lucena, Juan J. "Synthetic Iron Chelates to Correct Iron Deficiency in Plants." In Iron Nutrition in Plants and Rhizospheric Microorganisms. Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-4743-6_5.

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Kobayashi, Takanori, Naoko K. Nishizawa, and Satoshi Mori. "Molecular Analysis of Iron-Deficient Graminaceous Plants." In Iron Nutrition in Plants and Rhizospheric Microorganisms. Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-4743-6_20.

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Reinhardt, Immo, Sophie Haebel, Alexandra Herbik, and Thomas J. Buckhout. "Proteomic Studies under Iron Stress: Iron Deficiency-Induced Regulation of Protein Synthesis in the Green Alga Chlamydomonas reinhardtii." In Iron Nutrition in Plants and Rhizospheric Microorganisms. Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-4743-6_19.

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Chakraborty, Shohini, Mamun Mandal, Arka Pratim Chakraborty, and Sukanta Majumdar. "Zinc solubilizing rhizobacteria as soil health engineer managing zinc deficiency in plants." In Rhizosphere Engineering. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-323-89973-4.00018-1.

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Grosse, Wolfgang, Hans B. Biichel, and Sibylle Lattermann. "Root Aeration in Wetland Trees and its Ecophysiological Significance." In Coastally Restricted Forests. Oxford University PressNew York, NY, 1997. http://dx.doi.org/10.1093/oso/9780195075670.003.0020.

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Abstract Oxygen deficiency is an important stress factor for roots of trees growing in frequently or permanently flooded habitats. Due to the low diffusion rate of oxygen in water and rapid oxygen consumption by active bacterial metabolism, oxygen partial pressure equals zero in saturated soil of wet sites during waterlogged periods (Armstrong 1978; Crawford 1978, 1982). The roots are unable to meet their oxygen demand from the rhizosphere under these conditions and are restricted to internal aeration from their air-exposed regions. However, oxygen diffusion over gas transport pathways exceedi
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Reports on the topic "Rhizosphere deficiency"

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Chen, Yona, Jeffrey Buyer, and Yitzhak Hadar. Microbial Activity in the Rhizosphere in Relation to the Iron Nutrition of Plants. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7613020.bard.

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Iron is the fourth most abundant element in the soil, but since it forms insoluble hydroxides at neutral and basic pH, it often falls short of meeting the basic requirements of plants and microorganisms. Most aerobic and facultative aerobic microorganisms possess a high-affinity Fe transport system in which siderophores are excreted and the consequent Fe complex is taken up via a cognate specific receptor and a transport pathway. The role of the siderophore in Fe uptake by plants and microorganisms was the focus of this study. In this research Rhizopus arrhizus was found to produce a novel sid
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Raghothama, Kashchandra G., Avner Silber, and Avraham Levy. Biotechnology approaches to enhance phosphorus acquisition of tomato plants. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7586546.bard.

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Abstract: Phosphorus is one of the least available macronutrient in the soil. The high affinity phosphate transporters are known to be associated with phosphate acquisition under natural conditions. Due to unique interactions of phosphate with soil particles, up to 80% of the applied phosphates may be fixed forcing the farmers to apply 4 to 5 times the fertilizers necessary for crop production. Efficient uptake and utilization of this essential nutrient is essential for sustainability and profitability of agriculture. Many predictions point to utilization/exhaustion of high quality phosphate r
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Thomashow, Linda, Leonid Chernin, Ilan Chet, David M. Weller, and Dmitri Mavrodi. Genetically Engineered Microbial Agents for Biocontrol of Plant Fungal Diseases. United States Department of Agriculture, 2005. http://dx.doi.org/10.32747/2005.7696521.bard.

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The objectives of the project were: a) to construct the site-specific integrative expression cassettes carrying: (i) the chiA gene for a 58-kDa endochitinase, (ii) the pyrrolnitrin biosynthesis operon, and (iii) the acdS gene encoding ACC deaminase; b) to employ these constructs to engineer stable recombinant strains with an expanded repertoire of beneficial activities; c) to evaluate the rhizosphere competence and antifungal activity of the WT and modified strains against pathogenic fungi under laboratory and greenhouse conditions; and d) to monitor the persistence and impact of the introduce
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